Finding the Fourth Proportional to 129,246.30, 193,878.66 and 34,475.94
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Solution
The fourth proportional to 129,246.30, 193,878.66 and 34,475.94 is: 51,716.37
Step by Step Solution
- Step 1: Write the proportion equation
129,246.30 : 193,878.66 = 34,475.94 : x - Step 2: Convert to fraction form
129,246.30/193,878.66 = 34,475.94/x - Step 3: Cross multiply
129,246.30x = 193,878.66 × 34,475.94 - Step 4: Simplify right side
129,246.30x = 6,684,149,049.44 - Step 5: Solve for x
x = 6,684,149,049.44/129,246.30 - Step 6: Final answer
x = 51,716.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.